Airbox 4 Pre Filter Buckets & Lids RAW Calcium/Mag is a fully

RAW Calcium/Mag is a fully water soluble calcium additive which dissolves quickly in water without any residue

the charcoal is carefully packed to ensure consistent and even air flow throughout the carbon bed for full use of the filter

The SQ300W Pro array creates a uniform spread of light at short distance from the crop ensuring excellent penetration of canopy without hotspots and excessive heat

1x 13ft of 3/8″ pipe

Airbox 4 Pre Filter Buckets & Lids RAW Calcium/Mag is a fullyReplacement pre filter for the Airbox 1, 2, 3, 4, and 4 Plus. It is recommended to replace this pre filter every 3 months. Airbox Replacement Pre Filter Sizes Airbox 1, 2 , 3: 12" x 12" x 1" Airbox 4: 12" x 15" x 1" Airbox 4+: 19" x 16" x 1"